Berger, Berkshire, Bernard, Burger, burgher, burglar, burner, courier, culture, earner, earthworks, fervor, firmer, further, girders, Herbert, Herder, learner, lovelier, Mercer, merger, murder, murmur, nurture, perjured, pervert, sculptor, sculpture, searcher, sterner, sulfur, sulphur, Turner, Turner's, ulcer, Ulster, vulgar, vulture, Werner, Wordsworth, worker, worthier

disturbers, observer, precursor, preserver, usurper